Hmm problems with the delivery of refurb iPhones?

Okay so there are a few threads on here about people all worked up about their iPhones not being delivered yet.
Well I am not going to lie I wondered why mine wasn't here too.
But then someone said the "2 day shipping" is after it gets picked up.
Okay makes sense but...
What I am afraid of is that some are saying it's because they could have ran out of them?!
Is this really possible or likely?
If this is what is going on what do you think they would do about it?
And if I call AT&T would it be a good idea to ask them if this is a possibility?
Thanks

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